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Puzzle 10/01/04 (B)

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daj95376

Joined: 23 Aug 2008
Posts: 3854

Posted: Mon Jan 04, 2010 8:34 pm Post subject: Puzzle 10/01/04 (B)

Code:

+-----------------------+
| . 9 3 | 7 . 4 | 6 . 8 |
| 5 2 . | . . . | 4 . . |
| 8 . . | . . . | 3 . . |
|-------+-------+-------|
| 6 . . | 2 . . | . 3 1 |
| . . . | . 3 . | . . 2 |
| 2 . . | . . 7 | 8 . . |
|-------+-------+-------|
| 3 8 6 | . . 1 | 2 . . |
| . . . | 8 . . | . 4 . |
| 4 . . | 3 9 . | . . . |
+-----------------------+

Play this puzzle online at the Daily Sudoku site

arkietech

Joined: 31 Jul 2008
Posts: 1834
Location: Northwest Arkansas USA

Posted: Tue Jan 05, 2010 12:41 am Post subject:

ugly two steps

Code:

x-wing 7
*-----------------------------------------------------------*
| 1 9 3 | 7 25 4 | 6 25 8 |
| 5 2 7 | 6 8 3 | 4 1 9 |
| 8 6 4 | 159 125 29 | 3 257 57 |
|-------------------+-------------------+-------------------|
| 6 57 589 | 2 4 589 | 579 3 1 |
| 79 4 1589 | 159 3 5689 | 59 567 2 |
| 2 3 159 | 159 156 7 | 8 56 4 |
|-------------------+-------------------+-------------------|
| 3 8 6 | 4 57 1 | 2 9 57 |
| 79 15 29 | 8 267 26 | 15 4 3 |
| 4 17 25 | 3 9 25 | 17 8 6 |
*-----------------------------------------------------------*
(9=7)r5c1-(7)r5c8=(7-2)r3c8=(2-5)r1c8=(5)r1c5-(5=7)r7c5-(7)r8c5=(7-9)r8c1=(9)r8c3
=> r456c3,r8c1<>9

tlanglet

Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills

Posted: Tue Jan 05, 2010 1:23 am Post subject:

Somehow, my first two moves completed the puzzle. What a way to start the new year.

Quote:

kite deletes 5 from r7c5,
(7=5)r3c9 - (5)r1c8 = (5)r1c5 - (5=4)r4c5 - (4=7)r7c5; r7c9<>7.

Ted

[daj edit: corrected typo on elimination value.]

arkietech

Joined: 31 Jul 2008
Posts: 1834
Location: Northwest Arkansas USA

Posted: Tue Jan 05, 2010 1:52 am Post subject:

tlanglet wrote:

Somehow, my first two moves completed the puzzle. What a way to start the new year.

How did I miss that? There is also a sky 5 Embarassed

Amen on the start.

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